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Here's a good one that those who know, know. And those who don't it's as obtuse as **** to figure.
If you plug the horizontal velocity into the quadratic formul ie -b+/-sqrtb^-4ac/2a, you get two values, one positive and one negative.
What's the significance of the negative value.
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We need the kind of courage that can withstand the subtle corruption of the cynics - E.W.
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